Finding the Third Proportional to 675.94 and 1,043.78

Step by Step Solution

1. Step 1: Write the proportion equation
   675.94 : 1,043.78 = 1,043.78 : x
2. Step 2: Convert to fraction form
   675.94/1,043.78 = 1,043.78/x
3. Step 3: Cross multiply
   675.94x = 1,043.78 × 1,043.78
4. Step 4: Simplify right side
   675.94x = 1,089,479.30
5. Step 5: Solve for x
   x = 1,089,479.30/675.94
6. Step 6: Final answer
   x = 1,611.80